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- Great_Melbourne_Telescope abstract "The Great Melbourne Telescope was built by Thomas Grubb in Dublin, Ireland in 1868, and installed at the Melbourne Observatory in Melbourne, Australia in 1869.The telescope had a 48-inch-diameter (1,200 mm) speculum primary mirror, and was mounted on an equatorial mounting, enabling it to track the stars accurately as they appeared to move across the sky. The design had been approved by a committee of leading British astronomers and scientists.At the time of commissioning it was the second largest telescope operating in the world, after Lord Rosse’s 6 foot reflector at Birr, Ireland, and it was the largest fully steerable telescope in the world.The telescope was designed to explore the nebulae visible from the southern hemisphere, and in particular to document whether any changes had occurred in the nebulae since they were charted by John Herschel in the 1830s at the Cape of Good Hope.After some initial teething problems, the telescope was used for about 20 years at Melbourne Observatory, and one volume of observations produced, along with spectroscopic observations and some pioneering attempts at photographing nebulae. The telescope was upgraded with the addition of photographic equipment in 1872,but the difficulties of repolishing the mirror and the telescope’s relative unsuitability for astrophotography deterred further use.When Melbourne Observatory closed in 1945, the Great Melbourne Telescope was sold to the Australian Government’s Mount Stromlo Observatory near Canberra. It was rebuilt in the late 1950s with modern drive and a new 50-inch (1,300 mm) pyrex mirror. In the early 1990s the telescope, still utilising Grubb’s original equatorial mounting, was rebuilt with two CCD arrays to detect MACHOs (massive astrophysical compact halo objects).In 2003 a bushfire destroyed the telescopes and buildings at Mount Stromlo - the temperatures were so high that the aluminium dome itself caught fire and melted onto the telescope, shattering the Pyrex mirror.The fire-ravaged remnants of the 50-inch telescope were transferred to Museum Victoria, which had previously acquired discarded parts of the original telescope in 1984.A project is now underway to restore the Great Melbourne Telescope to working order so that it may be used for educational and public viewing in its original home at the Melbourne Observatory. This is a joint undertaking of Museum Victoria, the Astronomical Society of Victoria and the Royal Botanic Gardens. The restoration project will incorporate bringing the telescope's optical, mechanical and electrical systems into line with current best practice. After more than five years weighing up different proposals, engineering work commenced in late 2013 thanks to a grant of 70,000 AUD from the Copland Foundation.".
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- Great_Melbourne_Telescope wikiPageExternalLink greatmelbournetelescope.org.au.
- Great_Melbourne_Telescope wikiPageExternalLink great-melbourne-telescope.
- Great_Melbourne_Telescope wikiPageExternalLink melbourne-observatory.
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- Great_Melbourne_Telescope wikiPageRevisionID "679409869".
- Great_Melbourne_Telescope wikiPageWikiLink 2003_Canberra_bushfires.
- Great_Melbourne_Telescope wikiPageWikiLink AUD.
- Great_Melbourne_Telescope wikiPageWikiLink Astronomical_Society_of_Victoria.
- Great_Melbourne_Telescope wikiPageWikiLink Astrophotography.
- Great_Melbourne_Telescope wikiPageWikiLink Australia.
- Great_Melbourne_Telescope wikiPageWikiLink Australian_dollar.
- Great_Melbourne_Telescope wikiPageWikiLink Birr,_County_Offaly.
- Great_Melbourne_Telescope wikiPageWikiLink Canberra.
- Great_Melbourne_Telescope wikiPageWikiLink Cape_of_Good_Hope.
- Great_Melbourne_Telescope wikiPageWikiLink Category:1869_establishments_in_Australia.
- Great_Melbourne_Telescope wikiPageWikiLink Charge-coupled_device.
- Great_Melbourne_Telescope wikiPageWikiLink Copland_Foundation.
- Great_Melbourne_Telescope wikiPageWikiLink Dublin.
- Great_Melbourne_Telescope wikiPageWikiLink Equatorial_mount.
- Great_Melbourne_Telescope wikiPageWikiLink Equatorial_mounting.
- Great_Melbourne_Telescope wikiPageWikiLink Ireland.
- Great_Melbourne_Telescope wikiPageWikiLink John_Herschel.
- Great_Melbourne_Telescope wikiPageWikiLink Leviathan_of_Parsonstown.
- Great_Melbourne_Telescope wikiPageWikiLink List_of_largest_optical_telescopes_historically.
- Great_Melbourne_Telescope wikiPageWikiLink MACHO.
- Great_Melbourne_Telescope wikiPageWikiLink Massive_compact_halo_object.
- Great_Melbourne_Telescope wikiPageWikiLink Melbourne.
- Great_Melbourne_Telescope wikiPageWikiLink Melbourne_Observatory.
- Great_Melbourne_Telescope wikiPageWikiLink Mount_Stromlo_Observatory.
- Great_Melbourne_Telescope wikiPageWikiLink Museum_Victoria.
- Great_Melbourne_Telescope wikiPageWikiLink Pyrex.
- Great_Melbourne_Telescope wikiPageWikiLink Royal_Botanic_Gardens,_Melbourne.
- Great_Melbourne_Telescope wikiPageWikiLink Siding_Spring_Observatory.
- Great_Melbourne_Telescope wikiPageWikiLink SkyMapper.
- Great_Melbourne_Telescope wikiPageWikiLink Speculum_metal.
- Great_Melbourne_Telescope wikiPageWikiLink Thomas_Grubb.
- Great_Melbourne_Telescope wikiPageWikiLink File:Great_Melbourne_Telescope_1869.JPG.
- Great_Melbourne_Telescope wikiPageWikiLink File:Great_Melbourne_Telescope_1880.jpg.
- Great_Melbourne_Telescope wikiPageWikiLinkText "Great Melbourne Telescope".
- Great_Melbourne_Telescope hasPhotoCollection Great_Melbourne_Telescope.
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- Great_Melbourne_Telescope subject Category:1869_establishments_in_Australia.
- Great_Melbourne_Telescope point "-37.82972222222222 144.97555555555556".
- Great_Melbourne_Telescope type Establishment.
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- Great_Melbourne_Telescope comment "The Great Melbourne Telescope was built by Thomas Grubb in Dublin, Ireland in 1868, and installed at the Melbourne Observatory in Melbourne, Australia in 1869.The telescope had a 48-inch-diameter (1,200 mm) speculum primary mirror, and was mounted on an equatorial mounting, enabling it to track the stars accurately as they appeared to move across the sky.".
- Great_Melbourne_Telescope label "Great Melbourne Telescope".
- Great_Melbourne_Telescope sameAs m.0bmgkt8.
- Great_Melbourne_Telescope sameAs Q5599558.
- Great_Melbourne_Telescope sameAs Q5599558.
- Great_Melbourne_Telescope lat "-37.82972222222222".
- Great_Melbourne_Telescope long "144.97555555555556".
- Great_Melbourne_Telescope wasDerivedFrom Great_Melbourne_Telescope?oldid=679409869.
- Great_Melbourne_Telescope depiction Great_Melbourne_Telescope_1869.JPG.
- Great_Melbourne_Telescope isPrimaryTopicOf Great_Melbourne_Telescope.